Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	21	29
2011	Feb	19	28
2011	Mar	11	23
2011	Apr	20	23
2011	May	12	16
2011	Jun	17	20
2011	Jul	29	30
2011	Aug	22	24
2011	Sep	15	18
2011	Oct	16	26
2011	Nov	24	28
2011	Dec	18	27
2011	all	200	292